16 research outputs found

    Use of triazole fungicides in control of apple diseases

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    Π‘Ρ€Π΅Π΄ΠΈ Ρ‚Ρ€ΠΈΠ°Π·ΠΎΠ»ΠΎΠ²Ρ‹Ρ… Ρ„ΡƒΠ½Π³ΠΈΡ†ΠΈΠ΄ΠΎΠ² Ρ…ΠΎΡ€ΠΎΡˆΠ΅ΠΉ ΡΡ„Ρ„Π΅ΠΊΡ‚ΠΈΠ²Π½ΠΎΡΡ‚ΡŒΡŽ Π² Π±ΠΎΡ€ΡŒΠ±Π΅ с мучнистой росой яблони Ρ…Π°Ρ€Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ·ΡƒΡŽΡ‚ΡΡ ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚Ρ‹ Ρ‚Ρ€ΠΈΠ°Π΄ΠΈΠΌΠ΅Ρ„ΠΎΠ½, этаконазол, флусилазол, ΠΌΠΈΠΊΠ»ΠΎΠ±ΡƒΡ‚Π°Π½ΠΈΠ», ΠΏΠ΅Π½ΠΊΠΎΠ½Π°Π·ΠΎΠ», Ρ‚Ρ€ΠΈΡ„Π»ΡƒΠΌΠΈΠ·ΠΎΠ» ΠΈ ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚ ΠΎΠ±ΠΎΠ·Π½Π°Ρ‡Π΅Π½Π½Ρ‹ΠΉ Π›Π‘ 840608. Π‘Ρ€Π΅Π΄ΠΈ ΡƒΠΊΠ°Π·Π°Π½Π½Ρ‹Ρ… ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚ΠΎΠ² Ρ‚Ρ€ΠΈΠ°Π΄ΠΈΠΌΠ΅Ρ„ΠΎΠ½, ΠΏΠ΅Π½ΠΊΠΎΠ½Π°Π·ΠΎΠ» ΠΈ флусилазол Π΄Π΅ΠΉΡΡ‚Π²ΡƒΡŽΡ‚ ΠΊΠ°ΠΊ ΠΈΠ½Π³ΠΈΠ±ΠΈΡ‚ΠΎΡ€Ρ‹ спорообразования Π³Ρ€ΠΈΠ±Π° Podosphaera leucotricha. Π’ Π±ΠΎΡ€ΡŒΠ±Π΅ с ΠΏΠ°Ρ€ΡˆΠ΅ΠΉ яблони ΠΊ ΠΎΡ‡Π΅Π½ΡŒ эффСктивным ΠΏΡ€ΠΈΠ½Π°Π΄Π»Π΅ΠΆΠ°Ρ‚ Ρ„ΡƒΠ½Π³ΠΈΡ†ΠΈΠ΄Ρ‹, Ρ‚Π°ΠΊΠΈΠ΅ ΠΊΠ°ΠΊ Π±ΠΈΡ‚Π΅Ρ€Ρ‚Π°Π½ΠΎΠ», этаконазол, ΠΏΠ΅Π½ΠΊΠΎΠ½Π°Π·ΠΎΠ», Π° срСди Π½ΠΎΠ²Ρ‹Ρ… ΠΏΡ€Π΅ΠΏΠ°Ρ€Π°Ρ‚ΠΎΠ² флусилазол, Π›Π‘ 840608, ΠΌΠΈΠΊΠ»ΠΎΠ±ΡƒΡ‚Π°Π½ΠΈΠ» ΠΈ Ρ‚Ρ€ΠΈΡ„Π»ΡƒΠΌΠΈΠ·ΠΎΠ». Π­Ρ‚ΠΈ соСдинСния Ρ…Π°Ρ€Π°ΠΊΡ‚Π΅Ρ€ΠΈΠ·ΡƒΡŽΡ‚ΡΡ эффСктивным ΠΈΠ½Ρ‚Π΅Ρ€Π²Π΅Π½Ρ†ΠΈΠΎΠ½Π½ΠΎΠΌ дСйствиСм, Π±ΠΈΡ‚Π΅Ρ€Ρ‚Π°Π½ΠΎΠ», ΠΌΠΈΠΊΠ»ΠΎΠ±ΡƒΡ‚Π°Π½ΠΎΠ», ΠΏΠ΅Π½ΠΊΠΎΠ½Π°Π·ΠΎΠ» ΠΈ Ρ‚Ρ€ΠΈΡ„Π»ΡƒΠΌΠΈΠ·ΠΎΠ» Π΄ΠΎ 3 Π΄Π½Π΅ΠΉ послС ΠΈΠ½Ρ„Π΅ΠΊΡ†ΠΈΠΈ, этаконазол Π΄ΠΎ 4 Π΄Π½Π΅ΠΉ, флусилазол Π΄ΠΎ 6 Π΄Π½Π΅ΠΉ, Π° Π›Π‘ 840608 Π½Π° протяТСнии всСго ΠΏΠ΅Ρ€ΠΈΠΎΠ΄Π° ΠΈΠ½ΠΊΡƒΠ±Π°Ρ†ΠΈΠΈ.Among the triazole compounds the following are very effective against apple powdery mildew: triadimefon, etaconazole, flusilazole, myclobutanil, penconazole, triflumizole nad LS 840608 (a.i not available). Flusilazole, penconazole and triadimefon proved antisporulant activity against Podosphaera leucotricha fungus. The most effective in the control of apple scab appeared: LS 840608 and flusilazole and also bitertanol, etaconazole, penconazole, myclobutanil, triflumizole. All these compounds showed after-infection activity: bitertanol, myclobutanil, penconazole and triflumizole up to 3 days, etaconazole up to 4 days, flusilazole up to 6 days and LS 840608 up to 8 days after infection

    The effect of some endogenic substances contained in the cortical parenchyma of apple trees on growth in vitro of the fungus Phytophthora cactorum (Leb. of Cohn) Schroeter

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    Gel filtration of an alkaline extract of the cortical parenchyma yielded four fractions of which two had activity in vitro on the growth of Phytophthora cactorum. Fraction I was stimulatory and fraction IV inhibitory; one of the inhibitors in fraction IV was identified as phloridzin. When the extraction solvent contained sodium sulphite in addition to sodium hydroxide, fraction II showed inhibitory activity
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